Paghat's Garden: Sedum acre var. aurea 'Goldmoss'  
   Pacific Northwest gardener's description, photos, and cultural experience with this yellow-flowering perennial groundcover cultivar.
   http://www.paghat.com/sedum_goldmoss.html

Plant of the Month: Stonecrop  
   Master gardener offers general culture, propagation, and care information for sedums, and descriptions of a few cultivars.
   http://whatcom.wsu.edu/ag/homehort/plant/stonecrop.htm

Paghat's Garden: Sedum oreganum  
   Pacific Northwest gardener describes, in words and photos, the characteristics of oregon stonecrop, a hardy edible groundcover species.
   http://www.paghat.com/sedum_oreganum.html

Floridata: Sedum spectabile  
   Information and photos of showy stonecrop: the species, its cultivars, and popular hybrids such as 'Autumn Joy'. Description and features, culture, and garden usage.
   http://www.floridata.com/ref/s/sedu_spe.cfm

NC State University Fact Sheet: Sedum sieboldii  
   Photos and description for this low-growing evergreen species with succulent blue-green foliage and pink flowers in October, also known as October daphne.
   http://www.ces.ncsu.edu/depts/hort/consumer/factsheets/groundcover/sedum_sieboldii.html

NARGS: Sedum kamtschaticum  
   Photo and description of the variegated form of this species.
   http://www.nargs.org/gardening/Sedum.kamtschaticum.html

Dave's Garden: Kamschatca Stonecrop  
   Cultural information for this low-growing, yellow-flowered species (sedum kamtschaticum), and comments from gardeners who grow it.
   http://davesgarden.com/pf/go/873/